package org.bite.lesson04;
/**
 * 在多个实例中使用单独的锁对象
 *
 * @Author kiku-wa
 */
public class Demo406 {
    public static void main(String[] args) throws InterruptedException {
        Counter406 counter1 = new Counter406();
        Counter406 counter2 = new Counter406();
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                counter1.increase();
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                counter2.increase();
            }
        });

        t1.start();
        t2.start();

        t1.join();
        t2.join();

        System.out.println("count = " + Counter406.count);
    }
}
class Counter406 {
    public static int count = 0;

    Object locker = new Object();

    public void increase() {
        synchronized(locker){
            count++;
        }
    }
}
